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struts2-7-实验一(登录注册校验、管理员增查书籍信息)

一：首页login.jsp

 1 <%@ page language="java" contentType="text/html; charset=utf-8"
 2     pageEncoding="utf-8"%>
 3 <%@ taglib prefix="s" uri="/struts-tags"%>
 4 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 5 <html>
 6 <head>
 7 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
 8 <title>登录页面</title>
 9 <script>
10    function login(){
11        targetForm=document.forms[0];
12        targetForm.action="Login!LoginMethod";
13        targetForm.submit();
14    }
15    function OrdLogin(){
16        
17         targetForm=document.forms[0];
18         targetForm.action="OrdLogin!LoginMethod";
19         targetForm.submit();  
20        
21    }
22     function register(){
23         targetForm=document.forms[0];
24         targetForm.action="Register!RegisterMethod";
25         targetForm.submit();
26     }
27 </script>
28 </head>
29 
30 <body>
31  <s:fielderror escape="false"></s:fielderror>
32  <font color="red">${requestScope.error}</font>
33  <form action="actionName!methodName" method="post" >
34   用户名：<input type="text" name="username"><br>
35   密码:<input type="text" name="password"><br>
36  用户类型:
37         <select name="usertype">
38             <option value="管理员" >管理员</option>
39             <option value="普通用户">普通用户</option>
40         </select>
41         <br>
42  <input type="button" value="登录"  ${sessionScope.loginType=="管理员"?"onclick='login()'":"onclick='OrdLogin()'"}>
43  <input type="button" value="注册"  onclick="register()">
44  </form>
45 </body>
46 </html>

二：登录注册按钮所对应的事件-->LoginRegAction.java

 1 package nuc.sw.action;
 2 
 3 import java.util.ArrayList;
 4 import java.util.List;
 5 
 6 import com.opensymphony.xwork2.ActionContext;
 7 import com.opensymphony.xwork2.ActionSupport;
 8 import com.opensymphony.xwork2.ModelDriven;
 9 
10 import nuc.sw.vo.User;
11 
12 public class LoginRegAction extends ActionSupport implements ModelDriven<User>{
13     private User user=new User();
14    
15 //contextPath server.xml
16     
17     public User getModel() {
18         return user;
19     };
20 //action    
21         public String LoginMethod() throws Exception {
22             // TODO Auto-generated method stub
23             //登录逻辑
24             if(user.getUsername().equals("张丹")&&user.getPassword().equals("123")){
25                 ActionContext.getContext().getSession().put("loginUser",user.getUsername());
26                 ActionContext.getContext().getSession().put("loginPass",user.getPassword());
27                 ActionContext.getContext().getSession().put("loginType",user.getUsertype());
28                 return SUCCESS;
29             }
30             else{
31                 
32                 ActionContext.getContext().put("error", "用户名或者密码错误");
33                 return ERROR;
34             }
35         }
36         public String RegisterMethod() throws Exception {
37             // TODO Auto-generated method stub
38             if(user.getUsername().equals("张丹")&&user.getPassword().equals("123")){
39                 ActionContext.getContext().getSession().put("registerUser",user.getUsername());
40                 ActionContext.getContext().getSession().put("registerPass",user.getPassword());
41                 ActionContext.getContext().getSession().put("registerType",user.getUsertype());
42                 return SUCCESS;
43             }
44             else{
45                 
46                 ActionContext.getContext().put("error", "用户名或者密码错误");
47                 return ERROR;
48             }
49         }
50         
51        
52     @Override
53     public void validate() {
54         // TODO Auto-generated method stub
55         if(user.getUsername()==null||user.getUsername().trim().equals(""))
56             this.addFieldError("usernameError", "<font color='red'>用户名不能为空</font>");
57         if(user.getPassword()==null||user.getPassword().trim().equals(""))
58             this.addFieldError("passwordError", "<font color='red'>密码不能为空</font>");
59         
60     }
61 }

三:管理员登录成功后-->adminWelcome.jsp-->可对书籍增删改查

 1 <%@ page language="java" contentType="text/html; charset=utf-8"
 2     pageEncoding="utf-8"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
 7 <title>Insert title here</title>
 8 </head>
 9 <body>
10 欢迎${sessionScope.loginType}${sessionScope.loginUser}<a href="login.jsp">登录!</a><br>
11 
12 <a href="addBook.jsp">添加书籍信息</a>&nbsp;&nbsp;
13 <a href="deleteBookInfo.jsp">删除书籍信息</a>&nbsp;&nbsp;
14 <a href="updateBookInfo.jsp">修改书籍信息</a>&nbsp;&nbsp;
15 <a href="showBookInfo.jsp">查看书籍信息</a>
16 </body>
17 </html>

四：管理员增加书籍信息-->addBook.jsp

 1 <%@ page language="java" contentType="text/html; charset=utf-8"
 2     pageEncoding="utf-8"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
 7 <title>添加书籍信息</title>
 8 </head>
 9 <body>
10 <form action="AddBookAction" method="post">
11 
12 欢迎${sessionScope.loginType}${sessionScope.loginUser}<a href="login.jsp">登录!</a><br>
13 <a href="addBook.jsp">添加书籍信息</a>&nbsp;&nbsp;
14 <a href="deleteBookInfo.jsp">删除书籍信息</a>&nbsp;&nbsp;
15 <a href="updateBookInfo.jsp">修改书籍信息</a>&nbsp;&nbsp;
16 <a href="showBookInfo.jsp">查看书籍信息</a>
17  <table>
18  <tr>
19   <td>书名:</td>
20   <td><input type="text" name="bookName"></td>
21  </tr>
22  <tr>
23   <td>作者:</td>
24   <td><input type="text" name="authorName"></td>
25  </tr>
26  <tr>
27   <td>定价:</td>
28   <td><input type="text" name="bookPrice"></td>
29  </tr>
30  <tr>
31   <td><input type="submit" value="添加"></td>
32  </tr>
33 </table>
34 </form>
35 </body>
36 </html>

五：添加按钮对应的事件-->AddBookAction.java

 1 package nuc.sw.action;
 2 
 3 import java.util.ArrayList;
 4 import java.util.List;
 5 
 6 import com.opensymphony.xwork2.ActionContext;
 7 import com.opensymphony.xwork2.ActionSupport;
 8 import com.opensymphony.xwork2.ModelDriven;
 9 
10 import nuc.sw.vo.Book;
11 
12 public class AddBookAction extends ActionSupport implements ModelDriven<Book>{
13      private Book book=new Book();
14 
15     @Override
16     public Book getModel() {
17         // TODO Auto-generated method stub
18         return book;
19     }
20      public String addBook() throws Exception {
21             // TODO Auto-generated method stub
22             List<Book> list;
23             if(ActionContext.getContext().getSession().get("booklist")==null){
24                 list= new ArrayList<Book>();
25                 list.add(book);
26                 ActionContext.getContext().getSession().put("booklist", list);
27                 
28             }
29             else{
30                 list=(ArrayList<Book>)ActionContext.getContext().getSession().get("booklist");
31                 list.add(book);
32                 ActionContext.getContext().getSession().put("booklist", list);
33             }
34             
35             ActionContext.getContext().getSession().put("booklist", list);
36             return SUCCESS;
37             
38         }
39 }

六：添加书籍成功，显示书籍信息-->showBookInfo.jsp

 1 <%@page language="java" contentType="text/html; charset=utf-8"
 2     pageEncoding="utf-8" import="java.util.*,nuc.sw.vo.Book"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
 7 <title>Insert title here</title>
 8 </head>
 9 <body>
10 欢迎${sessionScope.loginType}${sessionScope.loginUser}<a href="login.jsp">登录!</a><br>
11 
12 <a href="addBook.jsp">添加书籍信息</a>&nbsp;&nbsp;
13 <a href="deleteBookInfo.jsp">删除书籍信息</a>&nbsp;&nbsp;
14 <a href="updateBookInfo.jsp">修改书籍信息</a>&nbsp;&nbsp;
15 <a href="showBookInfo.jsp">查看书籍信息</a>
16 <br>
17     <table border="1">
18          <caption>全部书籍信息</caption>
19          <tr>
20           <td>书名:</td>
21           <td>作者:</td>
22          <td>定价:</td>
23   </tr>
24   <% 
25         Iterator<Book> iter=((ArrayList<Book>)session.getAttribute("booklist")).iterator();  
26         while(iter.hasNext()){
27           pageContext.setAttribute("book",iter.next());
28    %>
29      
30     <tr>
31       <td>${book.bookName} </td>
32       <td>${book.authorName} </td>
33       <td>${book.bookPrice} </td>
34    </tr>    
35 <%
36     }
37 %>
38 
39 </table>
40 </body>
41 </html>

七：管理员和普通用户注册成功后的页面-->regLogin.jsp

 1 <%@ page language="java" contentType="text/html; charset=utf-8"
 2     pageEncoding="utf-8"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
 7 <title>注册成功后登录</title>
 8 </head>
 9 <body>
10 欢迎${sessionScope.registerType}${sessionScope.registerUser}注册,<a href="login.jsp">请登录!</a>
11 </body>
12 </html>

八：普通用户登录成功后-->ordWelcome.jsp

 1 <%@ page language="java" contentType="text/html; charset=utf-8"
 2     pageEncoding="utf-8"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
 7 <title>普通用户登录</title>
 8 </head>
 9 <body>
10 欢迎${sessionScope.loginType}${sessionScope.loginUser}<a href="login.jsp">登录!</a>
11 </body>
12 </html>

九：用户和书本建立模型-->nuc.sw.vo-->User.java -- Book.java

 1 package nuc.sw.vo;
 2 
 3 public class User {
 4     private String username;
 5     private String password;
 6     private String usertype;
 7     public String getUsername() {
 8         return username;
 9     }
10     public void setUsername(String username) {
11         this.username = username;
12     }
13     public String getPassword() {
14         return password;
15     }
16     public void setPassword(String password) {
17         this.password = password;
18     }
19     public String getUsertype() {
20         return usertype;
21     }
22     public void setUsertype(String usertype) {
23         this.usertype = usertype;
24     }
25     
26 }

 1 package nuc.sw.vo;
 2 
 3 public class Book {
 4       private String bookName;
 5       private String authorName;
 6       private float bookPrice;
 7     public String getBookName() {
 8         return bookName;
 9     }
10     public void setBookName(String bookName) {
11         this.bookName = bookName;
12     }
13     public String getAuthorName() {
14         return authorName;
15     }
16     public void setAuthorName(String authorName) {
17         this.authorName = authorName;
18     }
19     public Float getBookPrice() {
20         return bookPrice;
21     }
22     public void setBookPrice(Float bookPrice) {
23         this.bookPrice = bookPrice;
24     }
25 }

十：struts.xml

 1 <?xml version="1.0" encoding="UTF-8" ?>
 2 <!DOCTYPE struts PUBLIC
 3     "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
 4     "http://struts.apache.org/dtds/struts-2.3.dtd">
 5 
 6 <struts>
 7  <constant name="struts.devMode" value="true" />
 8  <constant name="struts.enable.DynamicMethodInvocation" value="true"></constant>
 9  <package name="default" namespace="/" extends="struts-default">
10     <action name="Login"  method="LoginMethod" class="nuc.sw.action.LoginRegAction">
11          <result name="success">/adminWelcome.jsp</result>
12          <result name="error">/login.jsp</result>
13          <result name="input">/login.jsp</result>
14      </action>
15      <action name="OrdLogin"  method="OrdLoginMethod" class="nuc.sw.action.LoginRegAction">
16          <result name="success">/ordWelcome.jsp</result>
17          <result name="error">/login.jsp</result>
18          <result name="input">/login.jsp</result>
19      </action>
20     <action name="Register"  method="RegisterMethod" class="nuc.sw.action.LoginRegAction">
21          <result name="success">/regLogin.jsp</result>
22          <result name="error">/login.jsp</result>
23          <result name="input">/login.jsp</result>
24      </action>
25      <action name="AddBookAction"  method="addBook" class="nuc.sw.action.AddBookAction">
26          <result name="success">/showBookInfo.jsp</result>
27          <result name="error">/addBook.jsp</result>
28      </action>
29  </package>
30     <!-- Add packages here -->
31 </struts>

十一：项目结构

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原文地址：https://www.cnblogs.com/Z-D-/p/5931624.html